Which of the following is the etiology of Down syndrome?

A) Fetal alcohol syndrome (FAS)
B) A chromosomal abnormality, specifically an extra chromosome
C) Alzheimer's trait
D) An abnormality of the brain

B

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Birds cannot grind up their food

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Of the following choices, which is capable of storing the most data?

a. DVD b. CD c. Blu-Ray d. Flash memory e. All hold the about the same amount of data.

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